<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.main{width: 85%;margin: 0 auto;}
			.bgpic{width: 100%;}
			.aside{position: fixed; bottom: 100px;right: 50px;}
		</style>
	</head>
	<body>
		<div class="aside">
			<img src="ima/top.jpg" alt="">
		</div>
		<div class="main">
			<img src="ima/bgpic.jpg" alt="" class="bgpic">
		</div>
	</body>
</html>